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Keywords: turbocharger
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Proceedings Papers

Proc. ASME. GT2022, Volume 10B: Turbomachinery — Axial Flow Turbine Aerodynamics; Deposition, Erosion, Fouling, and Icing; Radial Turbomachinery Aerodynamics, V10BT35A004, June 13–17, 2022
Paper No: GT2022-80186
... a point of diminishing returns, the ability to efficiently optimize the complete charging system for a given duty is a topic attracting significant research interest. In the case of turbocharging applications, existing engine and powertrain simulations require turbine maps to calculate the turbine...
Proceedings Papers

Proc. ASME. GT2022, Volume 4: Cycle Innovations; Cycle Innovations: Energy Storage, V004T06A030, June 13–17, 2022
Paper No: GT2022-82941
...Proceedings of ASME Turbo Expo 2022 Turbomachinery Technical Conference and Exposition GT2022 June 13-17, 2022, Rotterdam, The Netherlands GT2022-82941 WASTE HEAT RECOVERY DRIVEN TURBOCHARGER SYSTEM FOR GAS TURBINE Majed Sammak1, Maruthi Jupudi2, Alaaeldin Dawood3, Abdurrahman Khalidi2 1 GE Gas...
Proceedings Papers

Proc. ASME. GT2022, Volume 7: Industrial and Cogeneration; Manufacturing Materials and Metallurgy; Microturbines, Turbochargers, and Small Turbomachines; Oil & Gas Applications, V007T18A004, June 13–17, 2022
Paper No: GT2022-80150
... turbocharger turbine pulsation Abstract The pulsating nature of automotive internal combustion engines (ICE) is one of the main challenges in the modeling of turbochargers in process simulation. Radial compressors and turbines are characterized by maps containing parameters...
Proceedings Papers

Proc. ASME. GT2022, Volume 7: Industrial and Cogeneration; Manufacturing Materials and Metallurgy; Microturbines, Turbochargers, and Small Turbomachines; Oil & Gas Applications, V007T18A016, June 13–17, 2022
Paper No: GT2022-82463
... turbocharger turbine isentropic efficiency experimental internal combustion engine Abstract Turbocharging plays a key role not only in improving automotive engine performance, but also in reducing fuel consumption and exhaust emissions for Spark Ignition and diesel engines. In depth...
Proceedings Papers

Proc. ASME. GT2022, Volume 7: Industrial and Cogeneration; Manufacturing Materials and Metallurgy; Microturbines, Turbochargers, and Small Turbomachines; Oil & Gas Applications, V007T18A001, June 13–17, 2022
Paper No: GT2022-78205
... Abstract Whoosh is typically the primary noise concern for turbocharger centrifugal compressors without ported shroud recirculating casing treatments, utilized for spark-ignition automotive applications. Whoosh is characterized by broadband elevation of noise in approximately the 4 to 13 kHz...
Proceedings Papers

Proc. ASME. GT2022, Volume 7: Industrial and Cogeneration; Manufacturing Materials and Metallurgy; Microturbines, Turbochargers, and Small Turbomachines; Oil & Gas Applications, V007T18A005, June 13–17, 2022
Paper No: GT2022-80752
... Abstract A turbocharger is the device of a car that is used to add extra air into the combustion chambers of an engine. Recently, researches have been conducted on the use of TiAl materials in turbine wheels to replace traditional Ni-based alloys. Since TiAl material has good heat resistance...
Proceedings Papers

Proc. ASME. GT2022, Volume 8A: Structures and Dynamics — Aerodynamics Excitation and Damping; Bearing and Seal Dynamics; Emerging Methods in Engineering Design, Analysis, and Additive Manufacturing; Fatigue, Fracture, and Life Prediction, V08AT22A003, June 13–17, 2022
Paper No: GT2022-79386
... turbocharger semi-floating ring bearing nonlinear rotordynamics Abstract Automotive turbochargers (TCs) use an engine oil lubricated bearing system to produce acceptable performance (as per the engine volumetric efficiency) and proven reliability. However, the bearings also cause TC...
Proceedings Papers

Proc. ASME. GT2021, Volume 2C: Turbomachinery — Design Methods and CFD Modeling for Turbomachinery; Ducts, Noise, and Component Interactions, V02CT34A032, June 7–11, 2021
Paper No: GT2021-59616
...Abstract Abstract An aerodynamic design optimization study of the nozzle vane of a variable geometry turbine (VGT) turbocharger for a diesel engine application was conducted using the commercial software, ANSYS CFX and DesignXplorer. The nozzle design was optimized at three critical engine...
Proceedings Papers

Proc. ASME. GT2021, Volume 6: Ceramics and Ceramic Composites; Coal, Biomass, Hydrogen, and Alternative Fuels; Microturbines, Turbochargers, and Small Turbomachines, V006T19A002, June 7–11, 2021
Paper No: GT2021-58759
...Abstract Abstract In order to improve their efficiency and performance, aircraft intermittent combustion engines often incorporate turbochargers that are adapted from ground-based applications. These turbochargers experience conditions outside of their design operating envelope and are found...
Proceedings Papers

Proc. ASME. GT2021, Volume 6: Ceramics and Ceramic Composites; Coal, Biomass, Hydrogen, and Alternative Fuels; Microturbines, Turbochargers, and Small Turbomachines, V006T19A017, June 7–11, 2021
Paper No: GT2021-60326
... Proceedings of ASME Turbo Expo 2021 Turbomachinery Technical Conference and Exposition GT2021 June 7-11, 2021, Virtual, Online GT2021-60326 USE OF AN INTEGRATED APPROACH FOR ANALYSIS AND DESIGN OF TURBOCHARGED INTERNAL COMBUSTION ENGINE Thiago Ebel Mark Anderson Parth Pandya Mat Perchanok Concepts...
Proceedings Papers

Proc. ASME. GT2021, Volume 6: Ceramics and Ceramic Composites; Coal, Biomass, Hydrogen, and Alternative Fuels; Microturbines, Turbochargers, and Small Turbomachines, V006T19A003, June 7–11, 2021
Paper No: GT2021-58840
... Proceedings of ASME Turbo Expo 2021 Turbomachinery Technical Conference and Exposition GT2021 June 7-11, 2021, Virtual, Online GT2021-58840 ON THE CHALLENGE OF DETERMINING THE SURGE LIMIT OF TURBOCHARGER COMPRESSORS: PART 2 CAPABILITIES OF A GEOMETRICALLY REDUCED NUMERICAL MODEL Dominik Paul...
Proceedings Papers

Proc. ASME. GT2020, Volume 8: Industrial and Cogeneration; Manufacturing Materials and Metallurgy; Marine; Microturbines, Turbochargers, and Small Turbomachines, V008T20A003, September 21–25, 2020
Paper No: GT2020-14428
...Abstract Abstract The present study focuses on the acoustics of a turbocharger centrifugal compressor from a spark-ignition (SI) internal combustion (IC) engine for passenger car applications. Whoosh noise is typically the primary concern for this type of compressor, which is loosely...
Proceedings Papers

Proc. ASME. GT2020, Volume 8: Industrial and Cogeneration; Manufacturing Materials and Metallurgy; Marine; Microturbines, Turbochargers, and Small Turbomachines, V008T20A022, September 21–25, 2020
Paper No: GT2020-15661
...Abstract Abstract To investigate the effect of altitude on vibrations in a turbocharger, an aircraft compression-ignition engine was operated in both a sea level cell and an altitude chamber up to 25,000 ft (7620 m). The turbocharger was instrumented with a nonintrusive stress measurement...
Proceedings Papers

Proc. ASME. GT2020, Volume 8: Industrial and Cogeneration; Manufacturing Materials and Metallurgy; Marine; Microturbines, Turbochargers, and Small Turbomachines, V008T20A029, September 21–25, 2020
Paper No: GT2020-16075
...Abstract Abstract A major portion of the development of an automotive powertrain system is devoted to robustness and durability testing to ascertain the viability of the design. For turbochargers, thermo-mechanical fatigue is often considered as life limiting failure mechanism for the turbine...
Proceedings Papers

Proc. ASME. GT2020, Volume 10A: Structures and Dynamics, V10AT25A010, September 21–25, 2020
Paper No: GT2020-14332
...A THERMO-HYDRODYNAMIC MODEL FOR THERMAL ENERGY FLOW MANAGEMENT IN A (SEMI) FLOATING RING BEARING SYSTEM FOR AUTOMOTIVE TURBOCHARGERS Luis San Andrés Mast-Childs Chair Professor, Fellow ASME Lsanandres@tamu.edu Wonbae Jung Graduate Research Assistant wb_jung@tamu.edu Seong-Ki Hong sk_hong...
Proceedings Papers

Proc. ASME. GT2013, Volume 5A: Industrial and Cogeneration; Manufacturing Materials and Metallurgy; Marine; Microturbines, Turbochargers, and Small Turbomachines, V05AT23A002, June 3–7, 2013
Paper No: GT2013-94032
... Many high speed turbochargers are known to operate with limit cycle vibration as a result of fluid-film instability. The goal of this research was to achieve a stable synchronous response with a minimum of self-excited non-synchronous contribution. Those vibration components excited...
Proceedings Papers

Proc. ASME. GT2012, Volume 5: Manufacturing Materials and Metallurgy; Marine; Microturbines and Small Turbomachinery; Supercritical CO2 Power Cycles, 721-733, June 11–15, 2012
Paper No: GT2012-69053
... Integration of Unsteady Effects in the Turbocharger Design Process Apostolos Pesiridis, Sotirios Lioutas, and Ricardo F. Martinez-Botas Mechanical Engineering Department Imperial College London UK ABSTRACT Turbocharger development is based on performance maps arising through steady state...
Proceedings Papers

Proc. ASME. GT2012, Volume 5: Manufacturing Materials and Metallurgy; Marine; Microturbines and Small Turbomachinery; Supercritical CO2 Power Cycles, 671-679, June 11–15, 2012
Paper No: GT2012-68758
... Heat transfer within the turbocharger is an issue in engine simulation based on zero and one-dimensional gas dynamics. Turbocharged engine simulation is often done without taking into account the heat transfer in the turbocharger. In the simulation, using multipliers is the common way...
Proceedings Papers

Proc. ASME. GT2011, Volume 7: Turbomachinery, Parts A, B, and C, 1995-2007, June 6–10, 2011
Paper No: GT2011-45525
... 07 05 2012 Most boosting systems in internal combustion engines utilize ‘pulse turbocharging’ to maximize the energy extraction by the turbine. An internal combustion engine with more than four cylinders has a significant overlap between the exhaust pulses which, unless isolated, can...
Proceedings Papers

Proc. ASME. GT2011, Volume 3: Controls, Diagnostics and Instrumentation; Education; Electric Power; Microturbines and Small Turbomachinery; Solar Brayton and Rankine Cycle, 961-969, June 6–10, 2011
Paper No: GT2011-46599
... 07 05 2012 The present paper discusses the impact of a new type of turbocharger, namely, the Active Control Turbocharger (ACT). The aim of this work was to prove the advantage of this type of turbocharger over the current state-of-the-art: the Variable Geometry Turbocharger (VGT...